2 years ago

Which shows how much electron is in the outer layer

Chemistry

1 answer:

Elena L [17]2 years ago

4 0

Answer:

is there a picture or is it multiple choice?

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How many moles in 4 g of Ca3N2? .027 mol .613 mol 2.05 mol .760 mol

Arada [10]

Answer:

0.027mole

Explanation:

3 0

1 year ago

Someone help me plz :))) brainliest

SOVA2 [1]

Answer:

Option 2

Explanation:

3 0

3 years ago

Balance the following equation: sodium + Sodium Nitrate = Sodium Oxide + Nitrogen

-Dominant- [34]

Na + NaNO3 = Na2O + N2

4 Na + 2 NaNO3 = 6 Na2O + N2

6 Na on each side
2 N on each side
6 O on each side

6 0

3 years ago

If element x forms the oxides xo and x2o3 the oxidation numbers of element x are

Deffense [45]

Answer:

b) +2 and +3.

Explanation:

Hello,

In this case, given the molecular formulas:

$XO$

And:

$X_2O_3$

We can relate the subscripts with the oxidation states by knowing that they are crossed when the compound is formed, for that reason, we notice that oxygen oxidation state should be -2 for both cases and the oxidation state of X in the first formula must be +2 since both X and O has one as their subscript as they were simplified:

$X^{+2}O^{-2}$

Moreover, for the second case the oxidation state of X should be +3 in order to obtain 3 as the subscript of oxygen:

$X_2^{+3}O_3^{-2}$

Thus, answer is b)+2 and +3

Best regards.

3 0

3 years ago

The graph shows the consumption of gasoline and diesel fuels by vehicles in the United States for a period of 40 years.

grigory [225]

Answer:

B. It would lead to an increase of global temperatures.

Explanation:

Gas burns when it is hot. Therefore the more gas that our cars consume, the hotter the air will be when the car releases those gas vapors. Causing the air to become hotter.

Hope this helped <3 :) brainliest?

5 0

2 years ago

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